NUTRIENT MANAGEMENT STUDIES IN GINGER [Zingiber officinale Rose) Cv. HUMNABAD
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Date
2003
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, DHARWAD
Abstract
"Field experiment were conducted on nutrient management studies in
ginger {Zingiber officinale Rose) Cv. Humnabad at K.R.C.College of
Horticulture, Arabhavi on medium deep black soil during the year 2002-
2003. Experiments on effect of vcrmicompost and micronutricnts (Fc and
Zn) were laid out in RBD with three replications.
In the field trial on vcrmicompost and organic manures, application of
100 : 50 : 50 NPK kg/ha (RDF) + vcrmicompost 2.5 t / h a has resulted in
vigorous vegetative growth with higher plant heigh 1 (49.70 cm), number of
tillers (16.76) at 180 days after planting, leaf area (31.47 cm^) and leaf area
index (7.48) at 150 days after planting.
Application of RDF + vcrmicompost 2.5 t per ha produced significantly
higher fresh rhizome yield (19.09 t/ha), cured rhizome yield (4.79 t/ha),
essential oil (1.94%), oleoresin (9.82%), crude fibre (5.0%) and uptake of N, P
and K (104.10 kg/ha, 25.28 kg/ha and 248.02 kg/ha, respectively).
Among the eight treatments, application of RDF + vcrmicompost
(@ 2.5 t/ha) has recorded high C:B ratio (1 : 4.65), whereas lowest C:B ratio
was obtained in control (1 : 3.1).
In the experiment consisting of Fe and Zn micronutricnts (both
chelated and unchclatcd) the application of RDF + chelated FeS04 + ZnS04
each at 20 kg per ha resulted in higher plant height (41.33 cm) and number
of leaves (234.89/plant) at 180 days after planting. Fresh rhizome yield
(22.10 t/ha), curing percentage (29.3%), cured rhizome yield (5.60 t/ha) were
higher in the treatment supplied with RDF + 20 kg FeS04 + 20 kg ZnS04 per
hectare.
With respect to micronutricnts, application of RDF + 20 kg FeS04 +
20 kg ZnS04 per ha has recorded higher C:B ratio (1 : 5.0) whereas control
recorded lower C:B ratio ( 1 : 3.10)."
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